Sylvan Arms, Glock Conversion Block, Black

The Sylvan Arms 9mm Glock Conversion Block is a drop-in fit to give you a 9mm capable lower without resorting to buying a pistol caliber specific option. Designed to install in Mil-Spec lowers almost exactly like a standard rifle magazine.

Easy to install and swap out
Accepts popular Glock 9mm magazines
Designed to work with Mil-Spec lowers
Does NOT include last round bolt hold open
Product Details

Material: Steel and 6061-T6 Aluminum
Finish: Black Anodized
Weight: 4.2 oz.